Complete and balance the following half-reactions:
A. Mo3+(aq)→Mo(s) (acidic solution)
B. H2SO3(aq)→SO2−4(aq) (acidic solution)
C. Complete and balance the following half-reaction:
NO−3(aq)→NO(g)(acidic solution)
D. Complete and balance the following half-reaction:
O2(g)→H2O(l)(acidic solution)
E. Complete and balance the following half-reaction:
Mn2+(aq)→MnO2(s) (basic solution)
F. Complete and balance the following half-reaction:
Cr(OH)3(s)→CrO2−4(aq) (basic solution)
Answer
10 Moto Mo (s) cacrate medium) balance charge by adding electrons Mot3 + 30 - Mo(s) de 192) Hytt H₂SO3 -> sok (acidic) 14 o to balance oxygen atoms by adding Ho' HSO3 + Ę - so balance hydrogen atoms by adding 4th H + HO -50+ 4H+ balance charge by adding electrons Hso + Ho - soe + 4H+ + 2er (aq) It) (92) (22) No - No (9) balance oxygen atoms by adding to No - No + LHO balance hydrogen atoms by adding #t No'+ 4H+ - NO + 2HO balance charge by adding electrons Not + 3 Not 4H ti T att
2 - (9) (0) Ho (acidic) H tt 0-40 balance oxygen atoms by adding to Oy -> HO + H2O balance hydrogen atoms by adding Ht q+44t -> 2HO balance charge by adding electrons 8 + 4H+ + 4e - LHow 1g) laq) (F) Caloth), cro-2 (basic) H H₂O (s) 192) 0 -> 044- balance oxygen atoms by adding otions Then balance hydrogen atoms by adding to Repeat this up to balanceing of all atoms croH) + 5 ot' - cro + 4 How 192) 192) 15) balance charge by adding electrons CICOH) 4 50t - caro + 4H₂O +32 v 1 192) (92) U) -2 2.
92 H o~ OH mnte - mno (52 balance oxygen atoms by adding oth rows Then balance hydrogen atoms by adding HO. Repeat this up to balanceing of all atoms mnt 2 + 4 OH - mng + 2H₂O balance charge by adding electrons mnt 4 OH -> Mng + 2Hot zela Rate please